问题
选择题
_____ writer, she is excellent, _____ teacher she is not very good.
A.As; but as
B.As; and as
C.As a ; but as a
D.As a; and as a
答案
答案:C
作为一个作家,她是优秀的;但作为一名教师,她就不是很好的了。 writer 和teacher都是可数名词,单数要加冠词a。